Bug 695012

Summary: [RV570] KMS: X1950 Screen (bitmap and glyph) corruption when running gome-shell
Product: [Fedora] Fedora Reporter: Hans de Goede <hdegoede>
Component: xorg-x11-drv-atiAssignee: Jérôme Glisse <jglisse>
Status: CLOSED WONTFIX QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 15CC: xgl-maint
Target Milestone: ---Keywords: Triaged
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-08-07 16:28:40 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Attachments:
Description Flags
Screenshot showing corruption of background picture
none
xorg.log
none
dmesg
none
Screenshot showing corrupt glyphs
none
Screenshot showing window decoration corruption none

Description Hans de Goede 2011-04-09 18:13:17 UTC
Created attachment 490982 [details]
Screenshot showing corruption of background picture

For a while now I've been seeing corruption of various bitmaps or glyphs on my desktop. I think this started when I switched to F-15 and thus gnome-shell. So this could be a mesa issue.

Most of the time I'm seeing one of 2 instances of corruption:
-The upper left corner of the title bar of a window (but not all windows) becomes
 a black rectangle, I've been seeing this since I started using gnome-shell
 I think.
-Some parts of certain glyphs are missing usually a number of rows from the
 top of the glyph (character) are missing. This is more recent I believe

Today I got a corrupted background picture (see attached screenshot), which
is a first.

This all is without an xorg.conf, fully up2date F-15 running gnome-shell, and no special settings. I'll also attach xorg.log and dmesg from the boot where I got the corrupt background.

I believe the corruption is happening in cached pixmaps inside the video/gpu ram. Sometimes if I switch virtual consoles, or start enough windows fully obscuring the corrupted bits, things go back to normal.

Comment 1 Hans de Goede 2011-04-09 18:16:51 UTC
Created attachment 490984 [details]
xorg.log

Comment 2 Hans de Goede 2011-04-09 18:18:16 UTC
Created attachment 490985 [details]
dmesg

Comment 3 Hans de Goede 2011-04-10 10:01:22 UTC
Created attachment 491057 [details]
Screenshot showing corrupt glyphs

Notice the corrupted "e" as Well as the missing of the top of the h, making it look a bit like an n. This problem went away pretty quickly, I noticed it in firefox too. Then started gedit to see if I saw it there too, I didn't and after that it was gone in thunderbird and firefox too.

Comment 4 Hans de Goede 2011-04-11 09:25:14 UTC
Created attachment 491180 [details]
Screenshot showing window decoration corruption

Comment 5 Fedora End Of Life 2012-08-07 16:28:42 UTC
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